2024: Lake Michigan experiences sudden 20-degree temperature drop, posing danger for swimmers.

2024 has seen unusual events in Lake Michigan, with a mysterious hot spot appearing after winter and now a sudden 20-degree temperature drop in a 24-hour period, raising concerns for beachgoers and swimmers. The National Weather Service warned of dangerously cold water temperatures near Port Sheldon and South Haven, with a risk of sudden cold shock or hypothermia as temperatures dropped from around 70 to 50 degrees.